Taran Tactical Innovations Base Pad for AR-15 PMAG 30/40 Magazine Black. Specifications for Taran Tactical Innovations Base Pad for AR-15 PMAG 30/40 Magazine: Manufacturer: Taran Tactical Innovations Finish: Hard Anodized Fabric/Material: Aluminum Magazine Capacity: 6 Round Gun Make: AR Platform Gun Model: AR-15 Caliber: .223 Remington Features: Designed to work with stock spring. Overall weight 2.1oz. Length 1 inch. Patented proven push-pin design. Easily attaches and detaches from the magazine. No specialty tools devices or additional springs required for assembly/disassembly simply pop off the insert at the bottom of the spring and slide on the extension. One piece design; no small parts to keep track of. Minimal length addition to allow usage while in a prone position. Holds 35+1 rounds on the PMAG30. Holds 46+1 rounds on the PMAG40. The added weight helps the magazine drop free easier for faster reloads. CNC machined from billet aluminum. Hard anodized. Reverse compatible with GEN2 PMAGs. Package Contents: Taran Tactical Innovations +5 Round Base Pad for AR-15 PMAG 30/40 Magazine What firearm models does the manufacturer say Taran Tactical Innovations Base Pad for AR-15 PMAG 30/40 Magazine is compatible with? The manufacturer says that Taran Tactical Innovations Base Pad for AR-15 PMAG 30/40 Magazine is compatible with AR-15Taran Tactical Innovations PMBP-01: Base Pad for AR-15 PMAG 30/40 Magazine Black